2260940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3061300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 239, 430, 473, 478, 860, 946, 956, 1195, 1892, 2365, 2390, 2629, 4730, 4780, 5258, 9460, 10277, 10516, 13145, 20554, 26290, 41108, 51385, 52580, 102770, 113047, 205540, 226094, 452188, 565235, 1130470, 2260940]

約数ペア:

[(1, 2260940), (2, 1130470), (4, 565235), (5, 452188), (10, 226094), (11, 205540), (20, 113047), (22, 102770), (43, 52580), (44, 51385), (55, 41108), (86, 26290), (110, 20554), (172, 13145), (215, 10516), (220, 10277), (239, 9460), (430, 5258), (473, 4780), (478, 4730), (860, 2629), (946, 2390), (956, 2365), (1195, 1892)]